Patent · US Expired

Sampling tube having closing caps

US4392389A · kind A · utility

9Cited by

7References

3Claims

0Family size

Assignee

DRAGERWERK AKTIEGESELLSCHAFT · DE

Inventors

Wolfgang Eckstein · Sereetz, DE
Horst Rabenecker · Stockelsdorf, DE
Jurgen Behnke · Lübeck, DE

Key dates

Filing date	Sep 3, 1981
Grant date	Jul 12, 1983
Priority date	—
Expiry date	Sep 3, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S229/927
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sampling tube arrangement of the type having elongated sampling tubes with closing caps made of elastic plastic material is disclosed in which a plurality of closing caps are joined one to another through severable webs connecting adjacent closing caps. Each cap is provided with a plug-in connection comprising a male part on one side and a female part on the other side to provide a reconnecting mechanism for reconnecting the closed tubes after the sampling has been completed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.